Oporto 1973 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Ilie Nastase | d. | Adriano Panatta | 6-3 3-6 0-6 7-6 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Adriano Panatta | d. | Paolo Bertolucci | 6-3 3-6 6-2 7-5 |
| Ilie Nastase | d. | Francois Jauffret | 6-3 3-0 RET |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Adriano Panatta | d. | Paul Gerken | 6-4 0-6 6-2 |
| Paolo Bertolucci | d. | Georges Goven | 6-4 6-2 |
| Francois Jauffret | d. | Ion Tiriac | 7-5 6-4 |
| Ilie Nastase | d. | Martin Mulligan | 4-6 6-2 6-3 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Adriano Panatta | d. | Jean Francois Caujolle | 6-4 7-6 |
| Paul Gerken | d. | Antonio Munoz | 6-1 6-3 |
| Georges Goven | d. | Andres Gimeno | 7-6 6-4 |
| Paolo Bertolucci | d. | Patrice Dominguez | 4-6 6-3 6-2 |
| Francois Jauffret | d. | Barry Phillips Moore | 6-2 7-5 |
| Ion Tiriac | d. | Bob Carmichael | 6-4 6-2 |
| Martin Mulligan | d. | Paul Kronk | 6-3 6-4 |
| Ilie Nastase | d. | Gerald Battrick | 6-2 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Adriano Panatta | d. | Thierry Bernasconi | 6-2 6-3 |
| Jean Francois Caujolle | d. | Marcello Lara | 2-6 6-1 8-6 |
| Antonio Munoz | d. | Pietro Marzano | 6-2 6-2 |
| Paul Gerken | d. | Vincenzo Franchitti | 6-4 6-3 |
| Georges Goven | d. | Corrado Barazzutti | 6-2 7-5 |
| Andres Gimeno | d. | Piero Toci | 6-0 6-3 |
| Patrice Dominguez | d. | Juan Gisbert | 6-4 6-0 |
| Paolo Bertolucci | d. | Birger Andersson | 6-2 7-5 |
| Barry Phillips Moore | d. | Jasjit Singh | 6-4 6-0 |
| Francois Jauffret | d. | Jean Louis Haillet | 7-5 3-6 6-3 |
| Bob Carmichael | d. | Nicola Spear | 6-3 6-4 |
| Ion Tiriac | d. | Tenny Svensson | 6-1 6-1 |
| Paul Kronk | d. | Antonio Zugarelli | 6-1 6-1 |
| Martin Mulligan | d. | Ian Fletcher | 6-1 6-3 |
| Gerald Battrick | d. | Bernard Montrenaud | 6-3 7-5 |
| Ilie Nastase | d. | Mario Caimo | 6-2 6-2 |
Round of 64
| Winner | Loser | Score | |
|---|---|---|---|
| Thierry Bernasconi | d. | Jan Zabrodsky | 2-6 7-5 6-2 |
| Jean Francois Caujolle | d. | Steve Faulk | 6-4 6-3 |
| Pietro Marzano | d. | Noel Callaghan | 6-2 6-1 |
| Vincenzo Franchitti | d. | Jacques Thamin | 6-2 6-2 |
| Corrado Barazzutti | d. | Pierre Joly | 6-3 7-6 |
| Piero Toci | d. | Maurizio Bonaiti | 6-1 7-5 |
| Birger Andersson | d. | Marco Gilardelli | 6-3 6-4 |
| Jasjit Singh | d. | Massimo Di Domenico | 6-7 6-2 6-2 |
| Jean Louis Haillet | d. | Paolo Lazzari | 6-2 3-6 7-5 |
| Nicola Spear | d. | S Saggoni | 6-0 6-4 |
| Tenny Svensson | d. | John Bartlett | 6-4 3-6 6-2 |
| Paul Kronk | d. | Mark Cox | 6-1 7-5 |
| Ian Fletcher | d. | Vittorio Crotta | 6-2 6-3 |
| Bernard Montrenaud | d. | Ezio Di Matteo | 6-2 6-4 |